Preformulation Study of Electrospun Haemanthamine-Loaded Amphiphilic Nanofibers Intended for a Solid Template for Self-Assembled Liposomes.

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ID: 66454
2019
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Abstract
Haemanthamine (HAE) has been proven as a potential anticancer agent. However, the therapeutic use of this plant-origin alkaloid to date is limited due to the chemical instability and poorly water-soluble characteristics of the agent. To overcome these challenges, we developed novel amphiphilic electrospun nanofibers (NFs) loaded with HAE, phosphatidylcholine (PC) and polyvinylpyrrolidone (PVP), and intended for a stabilizing platform (template) of self-assembled liposomes of the active agent. The NFs were fabricated with a solvent-based electrospinning method. The chemical structure of HAE and the geometric properties, molecular interactions and physical solid-state properties of the NFs were investigated using nuclear magnetic resonance (NMR) spectroscopy, scanning electron microscopy (SEM), photon correlation spectroscopy (PCS), Fourier transform infrared (FTIR) spectroscopy, X-ray powder diffraction (XRPD) and differential scanning calorimetry (DSC), respectively. An in-house dialysis-based dissolution method was used to investigate the drug release in vitro. The HAE-loaded fibers showed a nanoscale size ranging from 197 nm to 534 nm. The liposomes with a diameter between 63 nm and 401 nm were spontaneously formed as the NFs were exposed to water. HAE dispersed inside liposomes showed a tri-modal dissolution behavior. In conclusion, the present amphiphilic NFs loaded with HAE are an alternative approach for the formulation of a liposomal drug delivery system and stabilization of the liposomes of the present alkaloid.
Reference Key
viet-nguyen2019preformulationpharmaceutics Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Viet Nguyen, Khan;Laidmäe, Ivo;Kogermann, Karin;Lust, Andres;Meos, Andres;Viet Ho, Duc;Raal, Ain;Heinämäki, Jyrki;Thi Nguyen, Hoai;
Journal Pharmaceutics
Year 2019
DOI
E499
URL
Keywords
electrospinning drug release amphiphilic nanofibers haemanthamine physical solid-state properties plant-origin alkaloid self-assembled liposomes

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